P_A_T_2000

Specter Officer Reach max level with one class in the Cooperative campaign.

Critical Literature Collect all physical Codex pages in a single save slot (Ancient Gods 2)

Hoarder Have a total of at least 250,000 points in Echoes Mode's total high score

Knight Score 1 million points in 1 run

Big Brawler Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)

Took this thing on a test flight Complete Arcade mode with a custom made ship, at Veteran difficulty level

Utility Man Complete all Missions intercepted from cellular tower signals

You have your moments Get 5000 Objective Score while playing as any Hero (Multiplayer)

Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

Conflagration Finish Mission 6

Go for Gold! In Onslaught, acquire seven gold chalices

I’ve seen some things… In Kino Der Toten, visit every location the teleporter can take you to.

Single Impact Defeat The Scale

Perk-a-Holic Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)

Have You Tried Turning it Off and On? Use a Shock Stick to disable an enemy Sentry Gun

Think She'll Notice? Destroy all of the cars in the mansion garage in 'Oligarch'

Hell Razor Kill a Burnout using the helicopter that arrives in Crash Site

Pursuit of Knowledge Filled 80% of the Datalog.

Pack-A-Punch-ectomy In Revelations, recover the Pack-a-Punch machine from its abductor.

Supernova Get 3 Stars on 20 different Echoes

Moneybags Have 15000 credits in the bank in Outbreak.

Like looking through a wall Manage to disable three guards, or more, inside a clone's smoke bomb

Skewer the Winged Beast In Under the Radar, have the SAM target itself and the helicopter

The Bigger They Are... Destroy a total of 100 Custom Cyborgs during story mode.

Let's Play Complete the first Horde Mode Mission

Fast Track On Mean Street, kill all the snipers on the rooftop before the DNA bomb explodes

Vaudeville Legend! All Stars collected

Renaissance Finish Mission 7

Roadblock In chapter 4, defeated Motormaster while racing him.

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

Snow Angel Execute the forest sniper in 'Frozen Tundra' with a takedown

Court Wizard 12 Charms unlocked

Burgle Burgle Burgle Steal 10 kills from a teammate in Outbreak.

Helo Hat Trick Destroy each objective helicopter in 'Reactor' with a different Armament

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

Safari Tour Play at least one full round in every Official Map (Ranked Match)

David vs Goliath In Checkmate, destroy the APC using an RC-XD

In the Belly of the Beast In Zetsubou No Shima, survive getting consumed.

Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.

Rapid Reflexes Get 5 Headshot Kills during a single use of the Adrenaline Stim in Campaign

Throttled Survival Kill the Breeder while using a Relic in Nightfall in Regular or Hardcore difficulty.

Hey, Catch! Throw and hit an enemy directly with a Flammable Cannister then blow them up with it

Long Winded Parachute for 30 seconds and successfully land in a single turn.

Can You Feel It? Defeat The Hand

Tearing Away the Disguise Destroy all of the humanoid Dwarf Gekkos during story mode.

Shot Blocked Shoot the gun out of the air in 'Flashpoint' before a terrorist catches it